12265661 has 8 divisors (see below), whose sum is σ = 12487200. Its totient is φ = 12046320.

The previous prime is 12265639. The next prime is 12265667. The reversal of 12265661 is 16656221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12265661 - 2⁶ = 12265597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12265667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13850 + ... + 14708.

It is an arithmetic number, because the mean of its divisors is an integer number (1560900).

Almost surely, 2^12265661 is an apocalyptic number.

It is an amenable number.

12265661 is a deficient number, since it is larger than the sum of its proper divisors (221539).

12265661 is a wasteful number, since it uses less digits than its factorization.

12265661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099.

The product of its digits is 4320, while the sum is 29.

The square root of 12265661 is about 3502.2365711071. The cubic root of 12265661 is about 230.6200095619.

The spelling of 12265661 in words is "twelve million, two hundred sixty-five thousand, six hundred sixty-one".